Home / 14,089.71-21,129.66-4,727.73

Finding the Fourth Proportional to 14,089.71, 21,129.66 and 4,727.73

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Solution

The fourth proportional to 14,089.71, 21,129.66 and 4,727.73 is: 7,089.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,089.71 : 21,129.66 = 4,727.73 : x
  2. Step 2: Convert to fraction form
    14,089.71/21,129.66 = 4,727.73/x
  3. Step 3: Cross multiply
    14,089.71x = 21,129.66 × 4,727.73
  4. Step 4: Simplify right side
    14,089.71x = 99,895,406.71
  5. Step 5: Solve for x
    x = 99,895,406.71/14,089.71
  6. Step 6: Final answer
    x = 7,089.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.